Innovation

Massive underground reservoir of natural hydrogen in Spain 'could deliver the cheapest H2 in the world'

Helios Aragón says it has access to giant resource of naturally occurring hydrogen in northern Spain but the country’s anti-oil rules are standing in its way

Illustration showing how the natural hydrogen has accumulated beneath cap rock under the foothills of the Pyrenees.
Illustration showing how the natural hydrogen has accumulated beneath cap rock under the foothills of the Pyrenees.Image: Helios Aragon
  • Rachel Parkes
Natural hydrogenSpainEurope
Published 6 April 2023, 08:18Updated 6 April 2023, 08:18